I took self-education courses in my spare time and got my undergraduate diploma and bachelor's degree.

1、

The stability evaluation of surrounding rock is important base for tunnel retaining design.

隧洞围岩的稳定性评判是洞室支护设计的重要依据.

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2、

Finally, the stability of the underground powerhouse and the optimum and excavation plan is evaluated.

最后对地下厂房洞室围岩的整体稳定性作出评价并提出最优开挖加固方案.

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3、

The surrounding rock of the cave consists of thick-layer limestone, dolomite and a little shale.

电站地下洞室围岩以厚层灰岩、白云岩为主,夹少量页岩.

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4、

In mountainous highway tunnel, ventilator chambers are usually needed.

山地公路隧道中, 出于通风等需要,往往需要设置风机洞室群.

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5、

The results show that the tunnels are stable and safe.

研究表明,地下厂房洞室群整体稳定.

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6、

This paper has recounted the application of gas survey to underground channel line and reservoir area exploration in four periods of the Yellow River water-drawing project, with emphasis placed on the effects of soil gas Hg and Rn.

本文介绍气体测量在四期引黄工程洞线和库区勘查中的应用，重点介绍了壤中气Hg、Rn的应用效果。

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7、

This paper treats of frequency stability of conventional 12-channel carrier transmitters as used in collieries, with particular reference to the considerable variations of underground transmission line impedance and fluctuations of supply voltage.

本文根据煤矿井下载波传输线路阻抗变化大、电源电压波动大的特点，针对传统的矿用十二路载波发射机，讨论了其振荡频率（即发射频率）的稳定性问题。

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8、

For guaranteeing building database of Shanghai City underground pipe line, Some technique processing is needed to existing data of underground pipe line, in order to satisfy the data inputting database.

为了保障顺利建设上海市地下管线数据库，需要对现存的地下管线的源数据进行一些技术处理，以满足数据入库的要求。

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9、

The large-diameter slurry shield is the first time to be used in sandy cobble stratum in Beijing Underground Zhijing Line in Beijing area.

北京地下直径线是北京地区首次在砂卵石地层中采用大直径泥水盾构。

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10、

The paper introduced the design and rational selection of control points of Xiamen underground pipe line measure control network as well as some problems about field observation and data treatment.

本文重点介绍了厦门地下管线测量控制网的设计及控制点的合理选取、外业观测和数据处理等问题。

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11、

Results indicate that the small trench can reduce the underground water line over 10 cm, increase the field leakage about 2 mm/ day.

结果表明，排水毛渠能降低地下水位10cm以上，增加田间渗漏约2mm/昼夜。

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12、

On summery of initial supporting construction of transverse gallery of No.5 vertical shaft in Beijing rail underground transit line

北京铁路地下直径线5号竖井横通道初支施工

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13、

Calculation and Analysis on Beijing Underground Diameter Line with Pile-Beam Arch ( PBA) Method

北京地下直径线洞桩法计算与分析

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14、

Simple Discussion about the Supervision Pattern of Conducting Line Net in General Survey of Underground Pipe Line

浅谈地下管线普查中导线网的监理模式

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15、

Application of OWA based on GIS on evaluation of underground pipe line in Tangshan city

基于GIS的OWA在唐山市地下管道评价中的应用

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16、

The Sources and Transmission of Error for Measuring Length of Side of Underground Guide Line

井下导线边长丈量误差的来源及其传播

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17、

SCF Device and its Application in Underground Metal Line Detecting

开关电容滤波器及其在地下金属管线探测中的应用

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18、

This article underground DC line source excitation, the observation ground potential.

本文采用井下直流线源激发，观测地面电位。

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19、

The Function of Surveying Supervision in the Construction of Urban Underground Pipe Line

测量监理在城市地下管线施工中的作用

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20、

Construction Technology for Large Underground Rail Line Traffic Hub in Soft Soil Area

软土地区地下大型轨道交通枢纽施工技术

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